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E820-AIO(II-485-4-20)

[Collection]:Analog signal

[Signal type]:4~20mA/0~20mA

[Interface]:RS485

[Size]:108*75*37mm

[I/O channel]:4-channel

[Feature]:Modbus RTU

[Weight]:226g±5g

[Feature]:E820-AIO is the analog signal collection product designed by Ebyte. With RS485 communication network, E820-AIO transmits the analog signal of scattered field data point via AD transformation to master or control remote home site via the PC.

EN-E820-AIO(II-485-4-20)-V2_01EN-E820-AIO(II-485-4-20)-V2_02EN-E820-AIO(II-485-4-20)-V2_03EN-E820-AIO(II-485-4-20)-V2_04EN-E820-AIO(II-485-4-20)-V2_05EN-E820-AIO(II-485-4-20)-V2_06EN-E820-AIO(II-485-4-20)-V2_08

No.
Parameter NameParameter valueDescription
1Size
108 * 75 *37mm

Pressing line interface is not included.

2Average weight
226g±5g

Pressing line interface is not included.

3Input signal type

0-20mA

Analog signal input range.

4Acquisition channel
4 channel input

4 channel Single-endedinput of analog signal.

5Acquisition rate
Full channel 10Hz

Acquisition rate for analog signal.

6Interface
RS4851 * 5 * 3.81 mm

Line pressing

7Supply voltage
5 ~ 36V DC

Note: The module will be destroyed if the voltage is higher than 36V.

8Working current
12V/50mA

5V/90mA,12V/50mA,24V/30mA,36V/20mA( The over 100mA output current is recommended when the output power is not used).

9Communication level
RS485

RS485

10Communication address
1-247

1-247 can be configurable, the default is 1.

11Acquisition accuracy
0.1%FS

Accuracy of analog signal collection.

12Baud rate
Default: 9600

It can be configured from 1200~115200.

13Working temperature
-40℃~+65℃

Industrial grade.

14Isolation protection
3000vDC

Lightening strike, Surge protection.

E820-AIO(II-485-4-20)-V2.0_Size1000

Pin
DefinitionFunctionDescription
1DC-IN
Pressing line power input positive

Power input, range: DC10-28V.     12V, and 24V are recommended.

2GND
Pressing line power input negative

Power supply GND.

3AGND
Communication common ground

When communicating with RS485, the DTU wont be used, while when communicating with

RS232, it will be grounded.

4RS485_B
Interface B of RS-485

Interface B of RS-485 connected to Device B.

5RS485_A
Interface A of RS-485

Interface A of RS-485 connected to Device A.

6AI1+
Analog signal input channel 1 positive

Input pin of analog signal forms the input with the GND1 pin.

7AI1-
Analog signal input channel 1 negative

To be used in pairs with AI1+

8AI2+
Analog signal input channel 2 positive

Input pin of analog signal, forms the input with the GND2 pin.

9AI2-
Analog signal input channel 2 negative

To be used in pairs with AI2+

10AI3+
Analog signal input channel 3 positive

Input pin of analog signal, forms the input with the GND3 pin.

11AI3-
Analog signal input channel 3 negative

To be used in pairs with AI3+.

12AI4+
Analog signal input channel 4 positive

Input pin of analog signal forms the input with the GND4 pin.

13AI4-
Analog signal input channel 4 negative

To be used in pairs with AI4+.

14GND
Power supply output negative

The negative internal of power supply connected to pin 2 GND.

15Vout
Power supply output positive

Power supply output, the voltage is decided by the pin1(internal connecting to pin 1).

16reset
reset

Long press to reset the equipment parameters to factory settings. Reset success L1 and L2 indicator lights flash once

15Earthing pole
Earthing pole

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产品
型号
Interface Collection I/O
channel
signal
type
Package Size
(mm)
Feature技术
手册
样品
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    产品型号:E820-AIO(UI-485-4-5)

    Interface :RS485

    Collection :analog signal

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  • E820-AIO(II-485-4-20)

    产品型号:E820-AIO(II-485-4-20)

    Interface :RS485

    Collection :analog signal

    I/O channel :4 channel input

    signal type :4~20mA 0~20mA

    :

    :

    Package :Screwing

    Size (mm) :82*84*25

    Feature:Modbus RTU

    PDF :

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